Seeds of Change S10733 Certified Organic Sylvesta Green Butter Lettuce, 550 Seed Count 100-Percent certified organic seeds grown in the USA for over 20-year Free of GMO's (genetically modified organisms), chemicals and pesticides Hermetically sealed package that is re-sealable gives longer life and higher germination rates Independently tested for high germination rates and purity and meets or exceeds federal standards Seeds of change contributes 1-percent of net sales to advance the cause of sustainable organic agriculture worldwide